Home / 30,338.45-41,867.25-16,910.55

Finding the Fourth Proportional to 30,338.45, 41,867.25 and 16,910.55

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Solution

The fourth proportional to 30,338.45, 41,867.25 and 16,910.55 is: 23,336.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,338.45 : 41,867.25 = 16,910.55 : x
  2. Step 2: Convert to fraction form
    30,338.45/41,867.25 = 16,910.55/x
  3. Step 3: Cross multiply
    30,338.45x = 41,867.25 × 16,910.55
  4. Step 4: Simplify right side
    30,338.45x = 707,998,015.15
  5. Step 5: Solve for x
    x = 707,998,015.15/30,338.45
  6. Step 6: Final answer
    x = 23,336.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.